In depth comparison and review of Sennheiser HD 25 Plus and Poly Blackwire C725-UC. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser HD 25 Plus | Poly Blackwire C725-UC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Series | - | 700 Series | |
| Weight | 140 g | - | |
| Design | DJ | - | |
| Recommended Use | Professional audio, home audio | Computer |
| SOUND QUALITY | Sennheiser HD 25 Plus | Poly Blackwire C725-UC |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire C725-UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 16 - 22000 Hz | 20 - 20000 Hz | Sennheiser HD 25 Plus offer a larger frequency range than Poly Blackwire C725-UC. |
| Total Harmonic Distortion (THD) | 0.3% | - | |
| Sensitivity | 120 dB | - | |
| Impedance | 70 Ohm | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Sennheiser HD 25 Plus | Poly Blackwire C725-UC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | - | 100 - 8000 Hz |
| REMOTE CONTROL | Sennheiser HD 25 Plus | Poly Blackwire C725-UC |
|---|
| Controls | - | Mute, volume, answer/end |
|---|
| CABLE | Sennheiser HD 25 Plus | Poly Blackwire C725-UC |
|---|
| Cable Type | Headphones cable - 1.3 m Headphones cable - 1.5 m |
USB cable - 2.04 m | |
|---|---|---|---|
| Cable Length | - | 2.04 m |
| CONNECTIONS | Sennheiser HD 25 Plus | Poly Blackwire C725-UC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Sennheiser HD 25 Plus | Poly Blackwire C725-UC |
|---|
| Included Accessories | Protective pouch, 3.5 mm to 6.3 mm adapter, 2 pairs of earpads | Carrying case | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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